134243992400 has 120 divisors (see below), whose sum is σ = 373645472064. Its totient is φ = 45395942400.

The previous prime is 134243992391. The next prime is 134243992433. The reversal of 134243992400 is 4299342431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123986 + ... + 532785.

Almost surely, 2^134243992400 is an apocalyptic number.

134243992400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134243992400 is an abundant number, since it is smaller than the sum of its proper divisors (239401479664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134243992400 is a wasteful number, since it uses less digits than its factorization.

134243992400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656869 (or 656858 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 134243992400 in words is "one hundred thirty-four billion, two hundred forty-three million, nine hundred ninety-two thousand, four hundred".